non

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Definition

Adverb A word used to make a statement, clause, or word negative. It means "not" or "the opposite of."

Usage

The word "non" is used as a prefix to negate the meaning of the word it is attached to. It is not used as a standalone word in modern English. It indicates the absence, reversal, or refusal of the concept in the base word.

Examples
  • He is a non-smoker. (He does not smoke.)
  • This is a non-issue. (This is not a real or important issue.)
  • The material is non-toxic. (The material is not poisonous.)
  • They reached a non-agreement. (They did not reach an agreement.)
Advanced Usage
  • In legal or formal language: "Non" is often used to create formal terms indicating exclusion or negation.
    • The judge declared a non-suit. (The judge ended the case without a decision on the merits.)
    • He pleaded non compos mentis. (He pleaded not guilty by reason of insanity.)
  • To indicate neutrality or absence of characteristics: It can describe something that lacks a specific quality.
    • A non-alcoholic beverage. (A drink without alcohol.)
    • A non-partisan committee. (A committee not affiliated with any political party.)
Variants and Related Words
  • Non-: The hyphenated prefix form. The hyphen is often used, especially when the base word is a proper noun (non-European) or to avoid ambiguity (non-native vs. nonnative).
  • Un-: Another common negating prefix (e.g., unhappy, unlike). "Un-" is often used with adjectives of Germanic origin, while "non-" is more neutral and can be used with nouns and adjectives.
  • In- / Im- / Il- / Ir-: Negating prefixes of Latin origin (e.g., invisible, impossible, illegal, irregular). Their use is often fixed by the word's etymology.
  • A- / An-: A prefix meaning "without" or "not" (e.g., atypical, anaerobic).
Synonyms
  • Not
  • Without
  • Lacking
  • Absence of
Related Phrases
  • Non sequitur: A conclusion or statement that does not logically follow from the previous argument or statement.
    • His comment about the weather was a complete non sequitur.
  • Non grata: (From Latin ) A person who is not welcome or accepted.
    • The diplomat was declared persona non grata and asked to leave the country.
  • Non plus: To surprise and confuse someone so much that they are unsure how to react.
    • The strange question nonplussed the speaker.
Adverb
  1. negation of a word or group of words
    • he does not speak French
    • she is not going
    • they are not friends
    • not many
    • not much
    • not at all

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